diff --git a/code/modules/research/designs/weapon_designs.dm b/code/modules/research/designs/weapon_designs.dm
index c066808cecd..bacf0fdf538 100644
--- a/code/modules/research/designs/weapon_designs.dm
+++ b/code/modules/research/designs/weapon_designs.dm
@@ -189,7 +189,7 @@
 	id = "techshotshell"
 	req_tech = list("combat" = 3, "materials" = 3, "powerstorage" = 4, "magnets" = 3)
 	build_type = PROTOLATHE
-	materials = list(MAT_METAL = 1000, MAT_GLASS = 200, MAT_SILVER = 300)
+	materials = list(MAT_METAL = 1000, MAT_GLASS = 200)
 	build_path = /obj/item/ammo_casing/shotgun/techshell
 	category = list("Weapons")